Home / 11,866.08-16,365.20-8,888.96

Finding the Fourth Proportional to 11,866.08, 16,365.20 and 8,888.96

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Solution

The fourth proportional to 11,866.08, 16,365.20 and 8,888.96 is: 12,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.08 : 16,365.20 = 8,888.96 : x
  2. Step 2: Convert to fraction form
    11,866.08/16,365.20 = 8,888.96/x
  3. Step 3: Cross multiply
    11,866.08x = 16,365.20 × 8,888.96
  4. Step 4: Simplify right side
    11,866.08x = 145,469,608.19
  5. Step 5: Solve for x
    x = 145,469,608.19/11,866.08
  6. Step 6: Final answer
    x = 12,259.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.